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6 July, 12:52

Which steps can be used to solve the equation a+4 = - 3/a?

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  1. 6 July, 14:33
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    Multiply both sides by a

    (a + 4) a = - 3

    Regroup terms

    a (a + 4) = - 3

    Expand

    a^2 + 4a = - 3

    Move all terms to one side

    a^a + 4a + 3 = 0

    Factor a^2 + 4a + 3

    (a + 1) (a + 3) = 0

    Solve for a

    a = - 1, - 3
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